Tsutomu Shimazaki

Title: The Innovations of Tsutomu Shimazaki

Introduction

Tsutomu Shimazaki is an accomplished inventor based in Ota, Japan, known for his significant contributions to the field of electrical engineering. With four patents to his name, Shimazaki has made noteworthy advancements in motor driving technology, impacting various industries.

Latest Patents

Among his latest innovations, two patents stand out:

1. **Driving Circuit of Stepping Motor** - This invention features a shift register that receives a transmission clock signal, which is shifted according to the signal and outputs a gate signal after a predetermined time post-reset. Additionally, it includes a reset circuit that outputs a reset signal upon receiving a step signal to drive the stepping motor and a switching element that toggles between a blocked and conductive state based on the gate signal.

2. **Motor Lock Detection Circuit** - This circuit is designed to detect a motor lock and includes a binarizing circuit that generates a binary signal from the motor’s frequency which corresponds to its rotation speed. An edge detecting circuit generates an edge detection signal upon detecting changes in the binary signal. The system utilizes two counters: the first counts based on a specific clock and generates a count signal, while the second produces a motor lock detection signal upon counting for a determined period, assuring the functionality of the motor.

Career Highlights

Throughout his career, Tsutomu Shimazaki has worked with notable companies, including Sanyo Electric Co., Ltd. and Sanyo Semiconductor Co., Ltd. His experience in these organizations has contributed significantly to his inventive endeavors and the development of cutting-edge technologies.

Collaborations

Shimazaki has collaborated with esteemed colleagues such as Masao Mizumoto and Koichiro Ogino. These partnerships have fostered innovation and the successful development of numerous projects.

Conclusion

Tsutomu Shimazaki’s contributions to the realm of electrical engineering through his patents and collaborations have established him as a leading inventor. As technology continues to advance, his innovations will remain foundational in the development of efficient motor systems and related technologies.